CN201028294Y - Gas leakage automatic control and alarm apparatus - Google Patents

Gas leakage automatic control and alarm apparatus Download PDF

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Publication number
CN201028294Y
CN201028294Y CNU2007200069036U CN200720006903U CN201028294Y CN 201028294 Y CN201028294 Y CN 201028294Y CN U2007200069036 U CNU2007200069036 U CN U2007200069036U CN 200720006903 U CN200720006903 U CN 200720006903U CN 201028294 Y CN201028294 Y CN 201028294Y
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CN
China
Prior art keywords
circuit
gas
valve
alarm
spool
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Expired - Fee Related
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CNU2007200069036U
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Chinese (zh)
Inventor
陈为增
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陈为增
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Priority to CNU2007200069036U priority Critical patent/CN201028294Y/en
Application granted granted Critical
Publication of CN201028294Y publication Critical patent/CN201028294Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a gas leakage autoregulation and annunciator, comprising a burnable gas transducer, an operational amplifier, a pulse trigger circuit, a flue gas automatic switching valve, an acousto-optic alarm circuit and a telecom signal transmitting line; the gas leakage achieves a certain concentration, the fuel gas transducer triggers the operational amplifier to work, the operational amplifier produces the trigger control signal, one circuit of the trigger control signal makes the pulse trigger circuit work, and the other circuit of the trigger control signal makes the alarm trigger circuit; the pulse trigger circuit controls the fuel gas to automatically cut off the valve, when the gas leakage achieves a certain concentration, the fuel gas source is closed reliably; the trigger circuit makes the acousto-optic alarm circuit and the signal transmitting line work, making people indoors and outdoors getting the alarm signal to adopt the avoiding measures in time; thereby the utility model is a product which has good cost performance and wide market.

Description

Gas leakage automatic control and alarm
Technical field
The utility model relates to a kind of gas leakage automatic control and alarm.
Background technique
The use of combustion gas brings convenience to people, but since combustion gas be cannot see, impalpable gas, in the use as accidentally, combustion gas meeting is sometimes leaked, and causes security incident, therefore should manage to find early gas leakage hidden danger, in time reports to the police and cuts off source of the gas, with plan safety.
Summary of the invention
The purpose of this utility model will design a kind of gas leakage automatic control and alarm exactly: gas content exceeds standard in the denier air, and device can in time be reported to the police and source of the gas is cut off in automatic control, with plan safety.
The utility model is to realize the purpose of this utility model by following technical solution:
Gas leakage automatic control described in the utility model and alarm include gas security, operational amplifier, pulsed triggering circuit, alarm triggered circuit, combustion gas automatic stop valve, audible and visual alarm circuit and signal transtation mission circuit etc.:
A, gas security are used to detect gas concentration, and gas security is used to detect gas concentration, and when the combustion gas leakage reached finite concentration, gas security triggered operational amplifier work;
B, operational amplifier produce the control trigger signal; Control trigger signal one tunnel makes pulsed triggering circuit work, and another road of control trigger signal makes the alarm triggered circuit working;
C, pulsed triggering circuit produce impulsive current with control combustion gas automatic stop valve;
D, alarm triggered circuit make audible and visual alarm circuit, the work of signal transtation mission circuit;
E, audible and visual alarm circuit send the audible and visual alarm signal by red light emitting diodes and buzzer;
F, signal transtation mission circuit are provided with the dialing chip, and starting the dialing chip can dial automatically, and number is default;
Audible and visual alarm circuit and the work of telecommunications signal transtation mission circuit can make the indoor or outdoors personnel obtain warning message, in time to take protection measure.
G, combustion gas automatic stop valve are installed in behind the air inlet bolt before the gas meter, and combustion gas is revealed when reaching finite concentration, and the indoor fuel gas source of the gas can be cut off automatically.Described combustion gas automatic stop valve by manual push rod, Bian Gai, electromagnetic coil, electromagnetism moving iron, valve body, spool, close spring, seal rubber pad, and coil sealing cover etc. form.Substantially horizontal and Vertical direction respectively have a passage on valve body, and substantially horizontal is a gas-entered passageway, and Vertical direction is an outlet passageway, and all there is internal thread the outer port of gas-entered passageway and outlet passageway; Spool lies in a horizontal plane in the cavity of valve body, the combustion gas air vent is arranged in the middle of the spool, valve core is with spring outward, the front end of spool has end cap, end studs with O shape O-ring seal, there is baffle plate the termination, rear end, the part of spool rear end is positioned at the substantially horizontal gas-entered passageway, there is orifice ring in the inner port of gas-entered passageway, spring section is blocked by interior orifice ring and is positioned at gas-entered passageway outer valve chamber, interior orifice ring can block baffle plate and make baffle plate be arranged in gas-entered passageway all the time, and the limit lid closely links to each other with valve body by seal rubber pad, and electromagnetic coil directly is contained in the lid shell of limit, in the middle of the coil the moving iron of an electromagnetism, below the moving iron of electromagnetism a dead bolt is arranged, manually the push rod front end passes the limit and covers a side and stretch out, and is manually fluted in the middle of the push rod, the moving iron dead bolt of electromagnetism can be entrenched in the groove, valve rod rear end contacts with the spool rear end by seal rubber pad, and the coil sealing cover covers the opening that covers a side on the limit, and electromagnetic coil etc. is enclosed in Bian Gainei.
Because the combustion gas automatic stop valve is installed in behind the air inlet bolt before the gas meter, the any position of indoor whole fuel gas line (comprising gas meter) leakage part is Guaranteed, safety, reliable, because the air air vent in the spool is bigger, thereby the tolerance foot, and it is simple in structure, be easy to make, use, easy for installation is when gas leakage takes place, utilize mobile phone to have instant communication function, popularize, carry, characteristics such as the network coverage is extensive, in time sound, shake, alarm signal such as flicker; Or/and, notify other staff or mechanism, avoid or reduce the personnel that gas leakage causes, the loss of property automatically or manually with mode long-distance alarm such as default call, note, multimedia messages.
Description of drawings
Fig. 1 is a kind of composition structure block diagram of the present utility model.
Fig. 2 is a kind of combustion gas automatic stop valve structural profile schematic representation of the present utility model.
Fig. 3 is that Fig. 2 opens combustion gas automatic stop valve valve element position schematic representation under the valve state.
Embodiment
Specific embodiment below in conjunction with accompanying drawing further specifies the utility model.(but be not to model utility restriction).
As shown in Figure 1, gas leakage automatic control described in the utility model and alarm are provided with gas security 1, operational amplifier 2, pulsed triggering circuit 3, combustion gas automatic stop valve 4, alarm triggered circuit 6, audible and visual alarm circuit 7 and signal transtation mission circuit:
The combustion gas body is revealed when reaching finite concentration, by gas security 1, after operational amplifier 2 work, produces the control trigger signal;
Control trigger signal one tunnel makes pulsed triggering circuit 3 work, after the pulsed triggering circuit work, produces impulsive current and controls the combustion gas automatic stop valve in good time effectively, and combustion gas is revealed when reaching finite concentration, and gas source can reliably be closed automatically;
Another road of control trigger signal makes 6 work of alarm triggered circuit;
After 6 work of alarm triggered circuit, make audible and visual alarm circuit 7 and the work of signal transtation mission circuit;
After 7 work of audible and visual alarm circuit, send the audible and visual alarm signal by red light emitting diodes and buzzer.The signal transtation mission circuit is provided with the dialing chip, starts the dialing chip during work of signal transtation mission circuit and begins automatic dialing, and number can be preset arbitrarily, makes the recipient of default landline telephone or mobile phone obtain warning message.The signal transtation mission circuit can be divided into the first signal transtation mission circuit 8 and the second signal transtation mission circuit 9:
(1) when sending warning message by the Home Telephone line, the first signal transtation mission circuit 8 starts the dialing chip and begins automatic dialing, and number can be preset arbitrarily.
(2) under the situation that the Home Telephone line is inconvenient to arrive, also can adopt the second signal transtation mission circuit, 9 wireless transmissions.That is: the second signal transtation mission circuit starts the dialing chip and begins automatic dialing, through emitting head dialing signal is launched, receive detect dialing signal after, send through the Home Telephone line, dialed number is predeterminable.In order to guarantee the reliably working of warning circuit, warning circuit has added self-checking circuit, has provided the visible signal under the different operating state.If when using battery, when off-capacity, will send signal in advance, prompting changing battery (using battery can reach 3 years general working life).
As shown in Figure 1, described combustion gas automatic stop valve comprises limit lid 21, electromagnetic coil 19, electromagnetism moving iron 18, valve body 11, spool 13, closes spring 14, seal rubber pad 15, manual push rod 20, coil sealing cover 16 etc.:
Manually push rod 20 front ends pass limit lid 21 and cover a side from the limit and stretch out, manually push rod 20 middle fluted 17, the moving iron dead bolt 28 of electromagnetism is entrenched in the groove 7, valve rod rear end contacts with spool 13 by seal rubber pad 15, seal rubber pad is the Ω type, substantially horizontal has a gas-entered passageway 26 on valve body 11, vertical direction has an outlet passageway 23, all there is internal thread gas-entered passageway 26 and outlet passageway 23 outer ports, spool 13 lies in a horizontal plane in the cavity of valve body, combustion gas air vent 24 in the middle of the spool 13, more than the big nearly twice of air vent of blast tube than similar valve, the valve core overcoat is closed spring 14, the front end of spool 13 has upper end cap 22, upper end cap 22 is fixed by bolts on the spool 13, spool 13 ends stud with O type O-ring seal 12, there is baffle plate 25 terminal termination, baffle plate 25 is an one with spool, the end of spool 13 is positioned at port, substantially horizontal gas-entered passageway 26 inner end an orifice ring 27, interior orifice ring 27 can block baffle plate 25, interior orifice ring 27 is one with valve body 11, and limit lid 21 closely links to each other with valve body 11 by the two ends of seal rubber pad 15; Electromagnetic coil 19 directly is contained in the shell of limit lid 21 with whole valve is molten and is one, in the middle of the electromagnetic coil 19 the moving iron 18 of electromagnetism, below the moving iron 18 of electromagnetism a dead bolt 28 is arranged, the moving iron dead bolt 28 of electromagnetism is entrenched in the groove 7, coil sealing cover 16 covers the opening that covers a side on the limit, and electromagnetic coil 19 grades are enclosed in Bian Gainei.
When combustion gas did not have leakage, valve was an aeration status.When in case combustion gas is revealed, electromagnetic coil 19 is received pulsed triggering circuit 3, pulse triggering signal and just the moving iron 18 of electromagnetism is upwards carried, closing spring 14 simultaneously upsprings spool 13 forward, and manual push rod 20 pushed ahead, then make the O type O-ring seal 1 of spool 13 core bases be close on the orifice ring 27 and close valve.After the hidden danger eliminating is revealed in combustion gas, can be manually by advancing manual push rod 20, then valve reverts to aeration status.

Claims (4)

1. gas leakage automatic control and alarm is characterized in that described gas leakage automatic control and alarm include gas security (1), operational amplifier (2), pulsed triggering circuit (3), combustion gas automatic stop valve (4), audible and visual alarm circuit (7) and signal transtation mission circuit:
A, gas security (1) are used to detect gas concentration, and when the combustion gas leakage reached finite concentration, gas security triggered operational amplifier (2) work;
B, operational amplifier (2) produce the control trigger signal; Control trigger signal one tunnel makes pulse triggering (3) circuit working, and another road of control trigger signal makes alarm triggered circuit (6) work;
C, pulsed triggering circuit (3) produce impulsive current control combustion gas automatic stop valve;
D, alarm triggered circuit (6) make the audible and visual alarm circuit, the work of signal transtation mission circuit;
E, audible and visual alarm circuit (7) send the audible and visual alarm signal by red light emitting diodes and buzzer;
F, signal transtation mission circuit are provided with the dialing chip, can start the dialing chip and dial automatically, and number is default;
G, combustion gas automatic stop valve (4), during gas leakage, gas source can be closed automatically.
2. gas leakage automatic control according to claim 1 and alarm is characterized in that described signal transtation mission circuit is divided into the first signal transtation mission circuit (8) and the second signal transtation mission circuit (9):
(1) first signal transtation mission circuit (8) is to send by telephone line: start the dialing chip and dial automatically, number is default;
(2) second signal transtation mission circuits (9) are wireless transmissions: send circuit start dialing chip to dial automatically, dialing signal launched through emitting head, receive detect dialing signal after, send through telephone line, dialed number is default.
3. gas leakage automatic control according to claim 2 and alarm is characterized in that being provided with in the described device self-checking circuit (5).
4. gas leakage automatic control according to claim 1 and alarm is characterized in that described combustion gas automatic stop valve comprises valve body (11), spool (13), closes spring (14), seal rubber pad (15), manually push rod (20), limit lid (21), electromagnetic coil (19), the moving iron (18) of electromagnetism, coil sealing cover (16):
Electromagnetic coil (19) is arranged in limit lid (21) with the moving iron (18) of electromagnetism, coil sealing cover (16) is at the opening of Bian Gai (21) one sides, manual push rod (20) front end passes limit lid (21) and stretches out from limit lid (21) one sides, manually in the middle of the push rod (20) fluted (17), electromagnetism moves has a dead bolt (28) below the iron (18), the moving iron dead bolt (28) of electromagnetism is entrenched in the groove (7), valve rod rear end contacts with spool (13) by seal rubber pad (15), seal rubber pad is the Ω type, blast tube (24) is arranged in the middle of the spool (13), electromagnetism moves iron (18) and is positioned in the middle of the electromagnetic coil (19), go up substantially horizontal at valve body (11) one gas-entered passageway (26) is arranged, vertical direction has an outlet passageway (23), all there is internal thread gas-entered passageway (26) and the outer port of outlet passageway (23), spool (13) lies in a horizontal plane in the cavity of valve body (11), the end of spool (13) is positioned at substantially horizontal gas-entered passageway (26), combustion gas air vent (24) is arranged in the middle of the spool (13), more than the big twice of air vent of blast tube than similar valve, the valve core overcoat is closed spring (14), the front end of spool (13) has upper end cap (22), upper end cap (22) is fixed by bolts on the spool (13), spool (13) end studs with O type O-ring seal (12), there is baffle plate (25) terminal termination, baffle plate (25) is an one with spool, there is orifice ring (27) in a gas-entered passageway (26) port, inner end, closing spring (14) is kept off in the cavity of gas-entered passageway (26) outer valve (11) by interior orifice ring (27), baffle plate (25) is arranged in gas-entered passageway (26), interior orifice ring (27) can block baffle plate (25), baffle plate (25) closely contacts with interior orifice ring (27), interior orifice ring (27) is an one with valve body (11), and limit lid (21) closely links to each other with valve body (11) by the two ends of seal rubber pad (15).
CNU2007200069036U 2007-04-26 2007-04-26 Gas leakage automatic control and alarm apparatus Expired - Fee Related CN201028294Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200069036U CN201028294Y (en) 2007-04-26 2007-04-26 Gas leakage automatic control and alarm apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200069036U CN201028294Y (en) 2007-04-26 2007-04-26 Gas leakage automatic control and alarm apparatus

Publications (1)

Publication Number Publication Date
CN201028294Y true CN201028294Y (en) 2008-02-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200069036U Expired - Fee Related CN201028294Y (en) 2007-04-26 2007-04-26 Gas leakage automatic control and alarm apparatus

Country Status (1)

Country Link
CN (1) CN201028294Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102182936A (en) * 2011-02-25 2011-09-14 陈辉 Novel intelligent control coal gas leakproof device
CN103742793A (en) * 2014-01-02 2014-04-23 浙江海洋学院 Crude oil pipeline leakage alarm device
CN109282148A (en) * 2017-07-22 2019-01-29 周尧 A kind of natural gas line leakage monitoring method
CN110159932A (en) * 2019-05-22 2019-08-23 黄贤辉 A kind of gas pipeline leakage alarm equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102182936A (en) * 2011-02-25 2011-09-14 陈辉 Novel intelligent control coal gas leakproof device
CN103742793A (en) * 2014-01-02 2014-04-23 浙江海洋学院 Crude oil pipeline leakage alarm device
CN103742793B (en) * 2014-01-02 2017-01-18 浙江海洋学院 crude oil pipeline leakage alarm device
CN109282148A (en) * 2017-07-22 2019-01-29 周尧 A kind of natural gas line leakage monitoring method
CN110159932A (en) * 2019-05-22 2019-08-23 黄贤辉 A kind of gas pipeline leakage alarm equipment
CN110159932B (en) * 2019-05-22 2020-11-17 深圳市立鼎丰科技有限公司 Gas pipeline gas leakage alarm device

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080227